From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu, 14 Nov 2013 02:34:55 +0000 (-0800)
Subject: target: Convert se_device statistics to atomic_long_t
X-Git-Tag: v3.13-rc1~5^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee480683d975973e3ff679850871e00e011c4a96;p=pandora-kernel.git

target: Convert se_device statistics to atomic_long_t

This patch converts the handful of se_device statistics to type
atomic_long_t, instead of using se_device->stats_lock when
incrementing these values.

More importantly, go ahead and drop the spinlock usage within
transport_lookup_cmd_lun() fast-path code.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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